Columbia River Chorus: Four-part harmony for women; rehearsals are in Vancouver. 360-887-4927.

West Linn Community Chorus: Singers sought for the spring season; rehearsals are Thursday nights. westlinnchorus.org/join-us or 503-954-4189.

Mt. Hood Pops Orchestra: The orchestra has openings for two percussionist, a trumpet and all string sections for rehearsals beginning Jan. 22. 503-669-1937.

Multnomah Athletic Club Balladeers: The all-men ensemble is seeking a choral director. 503-517-7272.

Call Board notices are due two weeks before publication date. All notices should include a telephone number for publication, dates of audition and/or a kill date. Mail notices to Call Board, Listings Desk, The Oregonian, 1320 S.W. Broadway, Portland, OR 97201, or email to listings@oregonian.com.